Port St Johns weather live forecast

Today's maximum temperature in Port St Johns is expected to be 19°C. Select a day from the live weather forecast for Port St Johns, South Africa for more weather parameters.

5-day weather forecast updated at 04:03 on Sunday 30th August 2026 GMT

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The 5-day weather forecast for South Africa (Port St Johns) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Port St Johns weather forecast by day

Below are the detailed weather forecasts for Port St Johns for the next 5 days.

Port St Johns weather for Sunday 30th August 2026

Expect mostly cloudy with light rain in Port St Johns, South Africa with a maximum temperature of 19°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 23 kph from the south-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 78% chance of some rain78
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the South-West23
    kph wind from SW

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Port St Johns weather for Monday 31st August 2026

Expect mostly cloudy with light rain in Port St Johns, South Africa with a maximum temperature of 18°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a light breeze of 9 kph from the east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 54% chance of some rain54
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Light breeze of 9 kph from the East9
    kph wind from E

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Port St Johns weather for Tuesday 1st September 2026

Expect scattered clouds in Port St Johns, South Africa with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 9 kph from the South-East9
    kph wind from SE

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Port St Johns weather for Wednesday 2nd September 2026

Expect broken clouds in Port St Johns, South Africa with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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Port St Johns weather for Thursday 3rd September 2026

Expect isolated thunderstorms in Port St Johns, South Africa with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 19 kph from the south-west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 87% chance of some rain87
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Gentle breeze of 19 kph from the South-West19
    kph wind from SW

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